op 	 {
  name: "StringNGrams"
  input_arg {
    name: "data"
    type: DT_STRING
  }
  input_arg {
    name: "data_splits"
    type_attr: "Tsplits"
  }
  output_arg {
    name: "ngrams"
    type: DT_STRING
  }
  output_arg {
    name: "ngrams_splits"
    type_attr: "Tsplits"
  }
  attr {
    name: "separator"
    type: "string"
  }
  attr {
    name: "ngram_widths"
    type: "list(int)"
    has_minimum: true
  }
  attr {
    name: "left_pad"
    type: "string"
  }
  attr {
    name: "right_pad"
    type: "string"
  }
  attr {
    name: "pad_width"
    type: "int"
  }
  attr {
    name: "preserve_short_sequences"
    type: "bool"
  }
  attr {
    name: "Tsplits"
    type: "type"
    default_value {
      type: DT_INT64
    }
    allowed_values {
      list {
        type: DT_INT32
        type: DT_INT64
      }
    }
  }
}
